Letter opener



FIG. 1 is a side elevation view of a letter opener showing my new design, the opposite side being a mirror image;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a cross-section taken along line 4--4 of FIG. 1;

FIG. 5 is a cross-section taken along line 5--5 of FIG. 1; and

FIG. 6 is a perspective view thereof. 

An ornamental design for a letter opener, substantially as shown and described. 